135900101 has 2 divisors, whose sum is σ = 135900102. Its totient is φ = 135900100.

The previous prime is 135900097. The next prime is 135900137. The reversal of 135900101 is 101009531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100020001 + 35880100 = 10001^2 + 5990^2 .

It is a cyclic number.

It is not a de Polignac number, because 135900101 - 2² = 135900097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135000101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67950050 + 67950051.

It is an arithmetic number, because the mean of its divisors is an integer number (67950051).

Almost surely, 2^135900101 is an apocalyptic number.

It is an amenable number.

135900101 is a deficient number, since it is larger than the sum of its proper divisors (1).

135900101 is an equidigital number, since it uses as much as digits as its factorization.

135900101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 135900101 is about 11657.6198685667. The cubic root of 135900101 is about 514.1303713769.

Adding to 135900101 its reverse (101009531), we get a palindrome (236909632).

The spelling of 135900101 in words is "one hundred thirty-five million, nine hundred thousand, one hundred one".